/**
 * Copyright 2022 Huawei Technologies Co., Ltd
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#ifndef MINDSPORE_LITE_TOOLS_OPTIMIZER_COMMON_PATTERN_PROCESS_PASS_EXTENDS_H_
#define MINDSPORE_LITE_TOOLS_OPTIMIZER_COMMON_PATTERN_PROCESS_PASS_EXTENDS_H_

#include <memory>
#include <string>
#include <vector>
#include "include/backend/optimizer/pattern_engine.h"
#include "tools/optimizer/common/node_pass_extends.h"

namespace mindspore {
namespace opt {
class LitePatternProcessPass : public LiteNodePass {
 public:
  explicit LitePatternProcessPass(const std::string &name = "", bool multigraph = true)
      : LiteNodePass(name),
        multigraph_(multigraph),
        pattern_engine_(PatternEngine(std::make_shared<Visitor>())),
        primitive_vars_(std::make_shared<PrimitiveVarMap>()),
        equiv_(std::make_shared<Equiv>()) {}
  ~LitePatternProcessPass() override = default;
  virtual const AnfNodePtr Process(const FuncGraphPtr &, const AnfNodePtr &, const EquivPtr &) const = 0;
  virtual const BaseRef DefinePattern() const = 0;
  AnfNodePtr Run(const FuncGraphPtr &func_graph, const AnfNodePtr &node) override;

 private:
  void Build();

  AnfNodePtr pattern_ = nullptr;
  bool multigraph_ = true;
  PatternEngine pattern_engine_;
  PrimitiveVarMapPtr primitive_vars_;
  EquivPtr equiv_;
};
}  // namespace opt
}  // namespace mindspore
#endif  // MINDSPORE_LITE_TOOLS_OPTIMIZER_COMMON_PATTERN_PROCESS_PASS_EXTENDS_H_
